Episode: 1x01 | Airdate: Sep 13, 1997
Three holiday-themed vignettes:
(1) Poison Ivy and Harley Quinn kidnap Bruce Wayne and use his credit cards for a shopping spree.
(2) While shopping for a gift for her father, Barbara Gordon spots a group of shoplifters that turn out to be portions of Clayface.
(3) Batman and Robin race to stop the Joker from killing the crowd at the Gotham City New Year Celebration.
Episode: 1x02 | Airdate: Sep 20, 1997
Young orphan Tim Drake becomes Batman's new ward when he becomes involved in one of Two-Face's deadly plots.
Episode: 1x03 | Airdate: Oct 11, 1997
After the events in "SubZero" Mr. Freeze has been forced to be bound to a new robotic body. His wife Nora has been revived, but believing him dead, she has remarried and left Gotham. If Freeze can't have a life of happiness, nobody can, so he begins lashing out at the city by destroying what people care about so they can feel the same pain he feels.
Episode: 1x04 | Airdate: Nov 1, 1997
The Scarecrow develops a new toxin that, rather than inducing fear, eliminates it, making average people incredibly reckless and dangerous, including Batman.
Episode: 1x05 | Airdate: Nov 15, 1997
In an effort to further distance himself from Batman, Nightwing tries to go it alone to stop a smuggling ring and gets unexpected help from the seductive Catwoman, who attempts a somewhat sensual relationship with him.
Episode: 1x06 | Airdate: Nov 22, 1997
Arnold Wesker is released from Arkham, completely free of his Scarface persona. But Scarface's old gang, needing their old boss back, begin working to drive Wesker back to his old ways.
Episode: 1x07 | Airdate: Feb 21, 1998
Crime boss Edward "King" Barlowe dies and in his will leaves his arch-rival, the Joker, a large fortune of $250 million. The Joker immediately goes on a shopping spree, even searching for a replacement for Harley Quinn, but realizes too late that almost all of the money is fake as a joke of Barlowe's to trick him.
Episode: 1x08 | Airdate: Feb 28, 1998
Robin fights to protect a young girl with amnesia named Annie who is being stalked by her "father", who turns out to be Clayface. Having created the girl from his own body to scout out the city, he now intends to reabsorb her.
Episode: 1x09 | Airdate: Apr 25, 1998
Batman pursues an ex-model, who is now looking for revenge and calling herself "Calendar Girl".
Episode: 1x10 | Airdate: May 9, 1998
Batman and Robin assist occultist Jason Blood when Klarion the Witch-boy takes control of Blood's alter-ego, Etrigan the Demon.
This episode was the final performance of actor Stephen Wolfe Smith (Klarion), who died shortly afterwards.
Episode: 1x11 | Airdate: May 23, 1998
During a fight with the Scarecrow, Batgirl is ambushed on a rooftop and falls to her death. Having watched his daughter's demise, Jim Gordon blames Batman for her fate and vows revenge, even recruiting Bane in the process.
Episode: 1x12 | Airdate: Jun 13, 1998
A lovelorn pyrotechnic engineer, Garfield Lynns, gets dumped by a big time singer named Cassidy. Lynns becomes the supervillain Firefly, bent on burning the woman who burned him.
Episode: 1x13 | Airdate: Jul 11, 1998
Baby Doll becomes enamored of Killer Croc, and the pair forms a very unlikely yet very successful criminal duo. However, their partnership soon falls apart when Baby Doll learns that Croc is only using her to further his own criminal career.
Episode: 2x01 | Airdate: Sep 14, 1998
Former stuntwoman and adrenaline junkie Roxanne Sutton becomes the rocket-riding thief Roxy Rocket, to chase danger and excitement.
Episode: 2x02 | Airdate: Sep 18, 1998
A genetic engineer goes overboard in creating bigger livestock and loses all his money. A year later, an army of mutant farm animals terrorize Gotham City.
Episode: 2x03 | Airdate: Sep 19, 1998
Batman tries to help Catwoman, who is being chased by a cat cult due to a statue she stole.
Episode: 2x04 | Airdate: Sep 26, 1998
A series of thefts is being committed by circus animals in a town where Nightwing's old circus is performing. Is it an old friend that is training the animals to steal, or someone else?
Episode: 2x05 | Airdate: Oct 3, 1998
When on patrol on his own, Robin runs into Nightwing and he tells Robin the story of how he and Batman grew apart. The story reveals how Batgirl discovered Batman and the original Robin's true identities, and also explains some of what went wrong with Barbara and Dick's relationship.
Episode: 2x06 | Airdate: Oct 10, 1998
A group of Gotham City youths tell their stories about what they believe the Dark Knight to really be like. This episode acknowledges the works of Bill Finger, Dick Sprang and Frank Miller.
Episode: 2x07 | Airdate: Oct 17, 1998
Livewire escapes during a prison transfer and wreaks havoc in Gotham. She also joins forces with Poison Ivy and Harley Quinn. With Batman and Superman away, Batgirl and Supergirl must team up to face the terrible trio and bring them to justice.
Episode: 2x08 | Airdate: Oct 24, 1998
Bruce Wayne, along with other wealthy denizens of Gotham, fall in love with their ideal mate, who all happen to have green eyes. Bruce decides to marry, and gives up being Batman forever. However, an old enemy's latest plot is being set into motion...
Episode: 2x09 | Airdate: Oct 31, 1998
A mysterious new vigilante dressed as a judge appears in Gotham City, where he targets the rogues' gallery of villains with vicious fury. Batman is the only person who must discover the Judge's identity and stop him before he crosses the line.
Episode: 2x10 | Airdate: Nov 7, 1998
Exposure to a weird mixture of chemicals, including the Joker's laughing gas, changes straitlaced newsman Jack Ryder into the crazed Creeper. He looks to kill the Joker, and develops a much unwanted crush on Harley.
Episode: 2x11 | Airdate: Jan 16, 1999
Harley reflects on her first meeting with the Joker as she plots to eliminate her main competition in his attentions – Batman. She captures the Dark Knight and she wants to gain Joker's favor by doing away with him. But of course, the crazy clown's massive ego would never allow anyone else the "honor" of doing away with his mortal enemy.